Design and Optimization of Microstrip Patch Antenna Using Oval Patch and Parasitic Elements

Abstract

We are use two microstrip patch antenna in order to examine the importance of parasitic elements having most interested topic. However, both antenna having same oval patch. While first has only oval patch and another has two additional oval parasitic elements. Then we check the angular rotation of the patch and the parasitic element. To arrange the angular rotation from 0 0 to 600 by increasing 150 from this reading we check the return loss and radiation pattern result for each 150 rotation of the angle. From a reading, we found that, the parasitic element down shift in -10dB impedance bandwidth and to increase in somewhat bandwidth. We found the highest bandwidth for the rotation angle of 150 and 300 respectively. From this maximum gain is 4.16dbi. Therefore, we use both antennas for s-band radar application